CN107906334A - A kind of podium level adjusting mechanism - Google Patents
A kind of podium level adjusting mechanism Download PDFInfo
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- CN107906334A CN107906334A CN201711334586.5A CN201711334586A CN107906334A CN 107906334 A CN107906334 A CN 107906334A CN 201711334586 A CN201711334586 A CN 201711334586A CN 107906334 A CN107906334 A CN 107906334A
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- 241001310793 Podium Species 0.000 title claims 7
- 238000009434 installation Methods 0.000 abstract description 13
- 238000005096 rolling process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/32—Undercarriages for supports with three or more telescoping legs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
本发明公开了一种平台高度调节机构。它包括支撑于平台底部的多个高度调节装置，所述高度调节装置包括底座、支撑杆、安装板、调节设备、第一轴承和第二轴承，所述支撑杆底部与底座通过螺纹连接，所述安装板固定于平台底部，所述支撑杆顶部支撑于平台的第一安装孔内部，所述第一轴承安装于支撑杆顶部与平台的第一安装孔顶壁之间，所述第二轴承安装于支撑杆杆壁与安装板的第二安装孔内壁及平台底面之间形成空腔内部。本发明在支撑杆与平台之间设置两个轴承，高度调节时，第一轴承承载支撑杆轴向力，第二轴承承载支撑杆径向力，提高了人员在高度调节中的顺畅性，通过滚动摩擦替代滑动摩擦减少人员力的输出，结构简单，调节更方便。
The invention discloses a platform height adjustment mechanism. It includes a plurality of height adjustment devices supported on the bottom of the platform. The height adjustment device includes a base, a support rod, a mounting plate, an adjustment device, a first bearing and a second bearing. The bottom of the support rod is connected to the base by threads. The installation plate is fixed on the bottom of the platform, the top of the support rod is supported inside the first installation hole of the platform, the first bearing is installed between the top of the support rod and the top wall of the first installation hole of the platform, and the second bearing It is installed between the wall of the support rod, the inner wall of the second installation hole of the installation plate and the bottom surface of the platform to form a cavity inside. In the present invention, two bearings are arranged between the support rod and the platform. When the height is adjusted, the first bearing carries the axial force of the support rod, and the second bearing carries the radial force of the support rod, which improves the smoothness of personnel in height adjustment. Rolling friction replaces sliding friction to reduce the output of personnel force, the structure is simple, and the adjustment is more convenient.
Description
技术领域technical field
本发明属于液晶面板检测技术领域，具体涉及一种平台高度调节机构。The invention belongs to the technical field of liquid crystal panel detection, and in particular relates to a platform height adjustment mechanism.
背景技术Background technique
液晶面板检测过程中，将其安放在平台上，为保证液晶面板与检测设备良好的配合性能，进行检测前需要调整平台高度。现有调整平台高度是采用支撑调节杆，调节杆上端与平台螺纹连接，下端与底座螺纹连接，调节时转动调节杆，调节其与底座的相对位移来改变平台的高度，这种结构在调节过程中，调节杆与平台之间有滑动摩擦，人员力的输出较大，调节过程比较困难。During the testing process of the LCD panel, it is placed on the platform. In order to ensure the good cooperation between the LCD panel and the testing equipment, the height of the platform needs to be adjusted before testing. The existing height adjustment platform adopts a support adjustment rod, the upper end of the adjustment rod is threaded with the platform, and the lower end is threaded with the base. During adjustment, the adjustment rod is rotated to adjust the relative displacement between it and the base to change the height of the platform. Among them, there is sliding friction between the adjustment rod and the platform, the output of personnel force is relatively large, and the adjustment process is relatively difficult.
发明内容Contents of the invention
本发明的目的就是为了解决上述背景技术存在的不足，提供一种结构简单、调节更方便的平台高度调节机构。The object of the present invention is to provide a platform height adjustment mechanism with simple structure and more convenient adjustment in order to solve the shortcomings of the above-mentioned background technology.
本发明采用的技术方案是：一种平台高度调节机构，包括支撑于平台底部的多个高度调节装置，所述高度调节装置包括底座、支撑杆、安装板、用于调节支撑杆高度的调节设备、用于承载支撑杆轴向力的第一轴承和用于承载支撑杆径向力的第二轴承，所述支撑杆底部与底座通过螺纹连接，所述安装板固定于平台底部，所述支撑杆顶部穿过所述安装板支撑于平台的第一安装孔内部，所述第一轴承安装于支撑杆顶部与平台的第一安装孔顶壁之间，所述第二轴承安装于支撑杆杆壁与安装板的第二安装孔内壁及平台底面之间形成空腔内部。The technical solution adopted in the present invention is: a platform height adjustment mechanism, including a plurality of height adjustment devices supported on the bottom of the platform, and the height adjustment device includes a base, a support rod, a mounting plate, and an adjustment device for adjusting the height of the support rod 1. The first bearing used to carry the axial force of the support rod and the second bearing used to carry the radial force of the support rod, the bottom of the support rod is connected to the base by threads, the mounting plate is fixed on the bottom of the platform, and the support The top of the rod is supported inside the first installation hole of the platform through the mounting plate, the first bearing is installed between the top of the support rod and the top wall of the first installation hole of the platform, and the second bearing is installed on the support rod A cavity is formed between the wall and the inner wall of the second installation hole of the installation plate and the bottom surface of the platform.
进一步地，所述第一安装孔为上端孔直径小、下端孔直径大的阶梯孔，所述支撑杆顶部位于下端孔内部，第一轴承的内圈与支撑杆的顶面连接，第一轴承的外圈与下端孔的顶壁连接，支撑杆杆壁与下端孔内壁之间设有第一间隙。Further, the first mounting hole is a stepped hole with a small diameter at the upper end and a large diameter at the lower end, the top of the support rod is located inside the lower end hole, the inner ring of the first bearing is connected to the top surface of the support rod, and the first bearing The outer ring is connected to the top wall of the lower end hole, and a first gap is provided between the support rod wall and the inner wall of the lower end hole.
进一步地，所述支撑杆顶部设有用于进行高度调节的调节孔，调节孔为多边形孔，所述调节设备穿过上端孔插入调节孔内。Further, the top of the support rod is provided with an adjustment hole for height adjustment, the adjustment hole is a polygonal hole, and the adjustment device is inserted into the adjustment hole through the upper end hole.
进一步地，所述第二安装孔为上端孔直径大、下端孔直径小的阶梯孔，所述第二轴承支撑于上端孔的底面上，第二轴承的内圈与支撑杆杆壁连接，支撑杆杆壁与下端孔内壁之间设有第二间隙，第二间隙宽度大于第二轴承内圈的厚度，第二轴承的外圈与上端孔的内壁连接。Further, the second mounting hole is a stepped hole with a large upper hole diameter and a smaller lower hole diameter, the second bearing is supported on the bottom surface of the upper hole, and the inner ring of the second bearing is connected to the wall of the support rod to support A second gap is provided between the rod wall and the inner wall of the lower hole, the width of the second gap is greater than the thickness of the inner ring of the second bearing, and the outer ring of the second bearing is connected with the inner wall of the upper hole.
进一步地，所述支撑杆顶部设有凸起于支撑杆杆壁的限位环，所述第二轴承的内圈顶部与限位环底面接触。Further, the top of the support rod is provided with a limit ring protruding from the wall of the support rod, and the top of the inner ring of the second bearing is in contact with the bottom surface of the limit ring.
更进一步地，所述底座上沿支撑杆径向方向设有多个锁固孔，锁固孔内设置锁紧螺钉。Furthermore, the base is provided with a plurality of locking holes along the radial direction of the support rod, and locking screws are arranged in the locking holes.
本发明在支撑杆与平台之间设置两个轴承，高度调节时，第一轴承承载支撑杆轴向力，第二轴承承载支撑杆径向力，提高了人员在高度调节中的顺畅性，通过滚动摩擦替代滑动摩擦减少人员力的输出，结构简单，调节更方便。In the present invention, two bearings are arranged between the support rod and the platform. When the height is adjusted, the first bearing carries the axial force of the support rod, and the second bearing carries the radial force of the support rod, which improves the smoothness of personnel in height adjustment. Rolling friction replaces sliding friction to reduce the output of personnel force, the structure is simple, and the adjustment is more convenient.
附图说明Description of drawings
图1为本发明的立体结构示意图。Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention.
图2为本发明的俯视图。Figure 2 is a top view of the present invention.
图3为图2中A-A剖面图。Fig. 3 is a sectional view of A-A in Fig. 2 .
图4图3中I处放大图。Figure 4. Enlarged view of I in Figure 3.
图5为本发明高度调节装置的示意图。Fig. 5 is a schematic diagram of the height adjusting device of the present invention.
图6为本发明高度调节装置的侧面图。Fig. 6 is a side view of the height adjusting device of the present invention.
图7为图6中B-B剖面图。Fig. 7 is a B-B sectional view in Fig. 6 .
图中：1-平台；2-高度调节装置；3-支撑杆；3.1-杆壁；4-安装板；5-底座；6-第一轴承；6.1-内圈，6.2-外圈；7-第二轴承；7.1-内圈、7.2-外圈；8-第一安装孔；8.1-上端孔、8.2-下端孔、8.3-顶壁、8.4-内壁；9-第二安装孔；9.1-上端孔、9.2-内壁、9.3-底面、9.4-下端孔、9.5-内壁；10-第一间隙；11-第二间隙；12-限位环；12.1-侧壁；13-调节孔；14-锁固孔。In the figure: 1-platform; 2-height adjustment device; 3-support rod; 3.1-rod wall; 4-installation plate; 5-base; 6-first bearing; 6.1-inner ring, 6.2-outer ring; 7- The second bearing; 7.1-inner ring, 7.2-outer ring; 8-first mounting hole; 8.1-upper hole, 8.2-lower hole, 8.3-top wall, 8.4-inner wall; 9-second mounting hole; 9.1-upper Hole, 9.2-inner wall, 9.3-bottom surface, 9.4-bottom hole, 9.5-inner wall; 10-first gap; 11-second gap; 12-limit ring; 12.1-side wall; 13-adjustment hole; 14-lock solid hole.
具体实施方式Detailed ways
下面结合附图和具体实施例对本发明作进一步的详细说明，便于清楚地了解本发明，但它们不对本发明构成限定。The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments to facilitate a clear understanding of the present invention, but they do not limit the present invention.
如图1-7所示，本发明包括平台1和支撑于平台1底部的多个高度调节装置2，所述高度调节装置2包括底座5、支撑杆3、安装板4、用于调节支撑杆高度的调节设备、用于承载支撑杆4轴向力的第一轴承6和用于承载支撑杆3径向力的第二轴承7，所述支撑杆3底部与底座5通过螺纹连接，所述安装板4固定于平台1底部，所述支撑杆3顶部穿过所述安装板4并支撑于平台1的第一安装孔8内部，所述第一轴承6安装于支撑杆3顶部与平台1的第一安装孔8顶壁之间，所述第二轴承7安装于支撑杆3杆壁与安装板4的第二安装孔9内壁及平台1底面之间形成空腔内部。通过上述结构设计，使得高度调节过程中支撑杆3承受的轴向摩擦力和径向摩擦力变为滚动摩擦，大大降低了调节时外力的输入。As shown in Figures 1-7, the present invention includes a platform 1 and a plurality of height adjustment devices 2 supported on the bottom of the platform 1. The height adjustment device 2 includes a base 5, a support rod 3, a mounting plate 4, and is used to adjust the Height adjustment equipment, the first bearing 6 for carrying the axial force of the support rod 4 and the second bearing 7 for carrying the radial force of the support rod 3, the bottom of the support rod 3 is connected to the base 5 by threads, the The mounting plate 4 is fixed on the bottom of the platform 1, the top of the support rod 3 passes through the mounting plate 4 and is supported inside the first mounting hole 8 of the platform 1, and the first bearing 6 is installed on the top of the support rod 3 and the platform 1 Between the top wall of the first installation hole 8, the second bearing 7 is installed inside the cavity formed between the rod wall of the support rod 3, the inner wall of the second installation hole 9 of the installation plate 4 and the bottom surface of the platform 1. Through the above structural design, the axial friction force and radial friction force borne by the support rod 3 during the height adjustment process become rolling friction, which greatly reduces the input of external force during adjustment.
上述方案中，第一安装孔8为上端孔8.1直径小、下端孔8.2直径大的阶梯孔，所述支撑杆3顶部位于下端孔8.2内部，第一轴承6的内圈6.1与支撑杆3的顶面接触连接或固定连接，第一轴承6的外圈6.2与下端孔8.2的顶壁8.3接触连接，支撑杆3杆壁(即下面的限位环12的侧壁12.1)与下端孔8.2内壁8.4之间设有第一间隙10。支撑杆3顶部设有用于进行高度调节的调节孔13，调节孔13为多边形孔，高度调节时，所述调节设备穿过上端孔8.1插入调节孔13内。In the above scheme, the first mounting hole 8 is a stepped hole with a small diameter of the upper hole 8.1 and a larger diameter of the lower hole 8.2. The top of the support rod 3 is located inside the lower hole 8.2. The top surface is contacted or fixedly connected, the outer ring 6.2 of the first bearing 6 is in contact with the top wall 8.3 of the lower end hole 8.2, and the wall of the support rod 3 (that is, the side wall 12.1 of the lower limit ring 12) is connected to the inner wall of the lower end hole 8.2 A first gap 10 is provided between 8.4. The top of the support rod 3 is provided with an adjustment hole 13 for height adjustment. The adjustment hole 13 is a polygonal hole. When adjusting the height, the adjustment device is inserted into the adjustment hole 13 through the upper hole 8.1.
上述方案中，第二安装孔9为上端孔9.1直径大、下端孔9.4直径小的阶梯孔，所述第二轴承7支撑于上端孔9.1的底面9.3上，第二轴承7的内圈7.1与支撑杆3杆壁3.1接触连接或固定，支撑杆3杆壁3.1与下端孔9.4内壁9.5之间设有第二间隙11，第二间隙宽11度大于第二轴承7内圈7.1的厚度，第二轴承7的外圈7.2与上端孔9.1的内壁9.2接触连接或固定连接。支撑杆3顶部设有凸起于支撑杆杆壁的限位环12，所述第二轴承7的内圈7.1顶部与限位环12底面接触。In the above solution, the second mounting hole 9 is a stepped hole with a large diameter of the upper hole 9.1 and a smaller diameter of the lower hole 9.4. The second bearing 7 is supported on the bottom surface 9.3 of the upper hole 9.1. The inner ring 7.1 of the second bearing 7 is connected to the The rod wall 3.1 of the support rod 3 is contact-connected or fixed. There is a second gap 11 between the rod wall 3.1 of the support rod 3 and the inner wall 9.5 of the lower end hole 9.4. The width of the second gap 11 degrees is greater than the thickness of the inner ring 7.1 of the second bearing 7. The outer ring 7.2 of the second bearing 7 contacts or is fixedly connected with the inner wall 9.2 of the upper end hole 9.1. The top of the support rod 3 is provided with a limit ring 12 protruding from the wall of the support rod, and the top of the inner ring 7.1 of the second bearing 7 is in contact with the bottom surface of the limit ring 12 .
上述方案中，底座5的四面沿支撑杆径向方向设有四个锁固孔14，锁固孔14内设置锁紧螺钉，支撑杆调节到位后，通过四个锁紧螺钉对支撑杆进行进一步固定，锁紧螺钉未在图中进行显示。In the above scheme, the four sides of the base 5 are provided with four locking holes 14 along the radial direction of the supporting rod, and locking screws are arranged in the locking holes 14. After the supporting rod is adjusted in place, the supporting rod is further tightened by the four locking screws. fixed, the locking screws are not shown in the figure.
本发明高度调节机构装配好后，进行高度调节时，通过调节设备转动支撑杆(调节设备未在图中进行显示)，支撑杆3通过配合底座5的螺纹实现带动平台1升降，转动过程中，支撑杆3顶部顶面和侧面与平台1之间通过第一轴承6和第二轴承4的中间作用，将原本的滑动摩擦转为滚动摩擦，大大节省了人员力的输出，提高了人员在高度调节中的顺畅性。After the height adjustment mechanism of the present invention is assembled, when adjusting the height, the support rod is rotated by the adjustment device (the adjustment device is not shown in the figure), and the support rod 3 drives the platform 1 up and down by cooperating with the thread of the base 5. During the rotation process, Between the top surface and side of the support rod 3 and the platform 1, through the intermediate action of the first bearing 6 and the second bearing 4, the original sliding friction is converted into rolling friction, which greatly saves the output of personnel force and improves the efficiency of personnel at a high altitude. Smoothness in adjustment.
本说明书中未作详细描述的内容属于本领域专业技术人员公知的现有技术。The content not described in detail in this specification belongs to the prior art known to those skilled in the art.
Claims (6)
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| CN105135109A (en) * | 2015-07-17 | 2015-12-09 | 南车戚墅堰机车车辆工艺研究所有限公司 | Swivel joint |
| CN106195564A (en) * | 2016-07-25 | 2016-12-07 | 成都市昌宝顺金属制品有限公司 | One can run instrument support table structure smoothly |
| CN106744493A (en) * | 2016-12-29 | 2017-05-31 | 广州市远能物流自动化设备科技有限公司 | Lowering or hoisting gear |
| CN207609967U (en) * | 2017-12-11 | 2018-07-13 | 苏州精濑光电有限公司 | A kind of podium level regulating mechanism |
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Application publication date: 20180413 |
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